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<!DOCTYPE html>
<html>
<head>
<script
src ="http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js">
</script>
<script>
$(document).ready(function(){
	$("button").click(function(){
		$("p:first").hide();
	});
});
</script>
</head>
<body>
<h2>This is a heading </h2>
<p>	This is a paragraph.</p>
<P>	This is another paragraph.</P>
<button>Click me</button>

</body>
</html>